1  static inline int foo (long x)
       2  {
       3    register int a = 0;
       4    register unsigned b;
       5  
       6    do
       7      {
       8        b = (x & 0x7f);
       9        x = (x >> 7) | ~(-1L >> 7);
      10        a += 1;
      11      }
      12    while ((x != 0 || (b & 0x40) != 0) && (x != -1 || (b & 0x40) == 0));
      13    return a;
      14  }
      15  
      16  static inline int bar (unsigned long x)
      17  {
      18    register int a = 0;
      19    register unsigned b;
      20  
      21    do
      22      {
      23        b = (x & 0x7f);
      24        x >>= 7;
      25        a++;
      26      }
      27    while (x != 0);
      28    return a;
      29  }
      30  
      31  int
      32  baz (unsigned long x, int y)
      33  {
      34    if (y)
      35      return foo ((long) x);
      36    else
      37      return bar (x);
      38  }